Curated OER
Reversals with Multiplication and Division
In this mathematics worksheet, students read the table that shows the answer to the cost per kilogram when 3.678 kg of a product costs $14.89 rounded to the nearest cent. They complete the table and round where necessary for each problem.
OpenStax
Open Stax: Catherine Schmidt Jones: Counterpoint for Everyone
Introducing your students to counterpoint is what this lesson is all about. This well written and well organized plan will enable you to teach this musical concept to your class.
Quia
Quia: Musical Elements
A great matching game to reinforce music vocabulary and an understanding of the elements of music.
Scholastic
Scholastic: Study Jams! Math: Problem Solving: Estimate Whole Numbers
This site provides great practice on the concept of estimating whole numbers. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice...
Discovery Education
Discovery Education: Web Math: How to Round a Number
This site provides a description and helpful hints on how to round numbers to any place value. Content also includes an interactive problem solver complete with a full description of how the answer was accomplished.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Rounding to Estimate Sums and Differences
[Free Registration/Login may be required to access all resource tools.] Estimate sums and differences by rounding decimals to whole numbers.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Rounding on a Number Line
[Free Registration/Login may be required to access all resource tools.] Round decimals using a number line.
CK-12 Foundation
Ck 12: Arithmetic: Problem Solving Plan, Estimation With Decimals
[Free Registration/Login may be required to access all resource tools.] Identify when estimation is appropriate and estimate to solve word problems.
Khan Academy
Khan Academy: Round Whole Numbers
Practice rounding whole numbers to the nearest hundred or thousand. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Vocabulary.com
Around and Around: Circum
This site contains a list of 10 words that contains "circum-" as a prefix in them. Teachers can digitally assign this list to their students to reinforce the spellings, pronunciations, and meanings of these words.
Illustrative Mathematics
Illustrative Mathematics: 3.nbt, 4.nbt Rounding to the Nearest 100 and 1000
This task builds off of the skill of rounding to the nearest ten and hundred in third grade. Aligns with CCSS.Math.Content.3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100.
Illustrative Mathematics
Illustrative Mathematics: 3.nbt Rounding to the Nearest Ten and Hundred
The purpose of this task is for students to practice rounding numbers to the nearest ten, connect the rules for rounding with location on the number line, and to introduce the idea of rounding to the nearest 100. Aligns with...
Khan Academy
Khan Academy: Rounding Challenge
Give your brain a workout with these challenge problems on rounding. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NBT.A.1 Use place value...
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Place Value and Problem Solving With Units of Measure
A guide to support parents as they work with their students in place value and problem solving with units of measure.
Purple Math
Purplemath: Rounding and Significant Digits
Explains how to round to a given number of "significant digits".
E-learning for Kids
E Learning for Kids: Math: Movie Theater: Numbers to 9999
On this interactive website students practice various math skills using a real life scenario. Those skills include using words to show four-digit numbers, putting numbers in ascending order, and relating large numbers to everyday life.
AAA Math
Aaa Math: Rounding to the Nearest Hundredth
This site explains how to round decimals to the nearest hundredth. This site provides games to practice this skill.
AAA Math
Aaa Math: Estimating a Sum by Rounding
Use rounding to estimate the answer to an addition problem in this online game. As you play the game, running totals of correct and incorrect answers and your score are displayed.
Scholastic
Scholastic: Dirtmeister's Science Reporters: Simple Machines: The Screw
Scholastic provides an in-depth description here of a simple machine called The Screw. Also provides a picture and several examples for understanding.
NumberNut
Number Nut: Rounding Numbers to the Nearest Tenth Memory Challenge
Practice your rounding skills in this online memory game. Eliminate pairs of cards by selecting a card and finding its rounding match.
Quia
Quia: Angles
Practice rounding numbers to the nearest whole number or fraction with this interactive game. Check out this helpful resource!
Quia
Quia: Rounding Decimals Whole Numbers
This tutorial-practice has students round decimals to the nearest whole numbers using a matching game format.
Quia
Quia: Rounding Decimals Whole Numbers Flashcards
Use this website to practice rounding decimals to the nearest whole numbers using a flash card format.
Quia
Quia: Rounding Decimals Whole Numbers Concentration
Use this website to practice rounding decimals to the nearest whole numbers using a concentration game format.